Reuters: European utilities executives meeting at the Paris Climate Conference know they are part of the problem. What they have not yet figured out is how to make money by being part of the solution to climate change. For decades, power plants owned by the likes of RWE, Enel and EDF have been among Europe's worst polluters. When governments started subsidising solar and wind power in a bid to reduce carbon emissions, many utilities shunned green energy as unrealistic and uneconomic. Now, renewable energy...